disable matrix layer by default

src/server.ts

@@ -5,13 +5,17 @@ import messagesRouter from "./routes/api/v1/messages";
 import matrixRouter from "./routes/matrix";
 import { errors } from "./errors";
 
+const ENABLE_MATRIX_LAYER = false;
+
 export default function(app: Application) {
     app.use(json());
     app.use("/api/v1/users", usersRouter);
     app.use("/api/v1/channels", channelsRouter);
     app.use("/api/v1/messages", messagesRouter);
     app.use("/", express.static("frontend/public"));
+    if (ENABLE_MATRIX_LAYER) {
         app.use("/", matrixRouter);
+    }
 
     const errorHandler: ErrorRequestHandler = (error, req, res, next) => {
         console.error("error: while handling request", error);